#259DCA
Closest named color: Faded Blue (#658CBB). oklch(65.3% 0.119 229.2), rgb(37, 157, 202).
Aa
Black text reads best on this color (6.75:1).
About this color
#259DCA is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 65%, its chroma 0.119 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.060 away. Black text reads best on it, at 6.75:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (65%) |
| Chroma | moderately saturated (0.119) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.75:1 |
| White text | 3.10:1 |
Values
| HEX | #259DCA |
| RGB | rgb(37, 157, 202) |
| HSL | hsl(196, 69%, 47%) |
| OKLCH | oklch(65.3% 0.119 229.2) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #259DCA | 3.10:1 | AA large text | Lc -63.0 | Content text, not long reading |
| Black text on #259DCA | 6.75:1 | AA | Lc 46.4 | Large or bold text, headings |
| #259DCA text on white | 3.10:1 | AA large text | Lc 57.6 | Large or bold text, headings |
| #259DCA text on black | 6.75:1 | AA | Lc -44.1 | Non-text elements, placeholder text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 500.
-
Step 50
50
#F0F7FA
oklch(97.2% 0.008 225.1)
-
Step 100
100
#DFECF3
oklch(93.5% 0.017 230.9)
-
Step 200
200
#C4DEEB
oklch(88.5% 0.033 229.3)
-
Step 300
300
#9AC9DF
oklch(81% 0.058 228.3)
-
Step 400
400
#5DACCF
oklch(70.8% 0.093 228.9)
-
Step 500
500 (this color)
#259DCA
oklch(65.3% 0.119 229.2)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005774
oklch(42.7% 0.085 229.4)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#042B3A
oklch(27.1% 0.05 229)
#259DCA with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #869BCC | 0.084 |
| Deuteranopia (no green cones) | #708BC9 | 0.072 |
| Tritanopia (no blue cones) | #00AAAC | 0.068 |
| Achromatopsia (no color) | #929292 | 0.120 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #259DCA
#259DCA
oklch(65.3% 0.119 229.2)
- #CA784A
#CA784A
oklch(65.3% 0.12 48.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #259DCA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.060
- Turquoise Blue #06B1C4 ΔE 0.061
- Blue NCS #118AB2 ΔE 0.061
- Dark Sky Blue #448EE4 ΔE 0.066
- Water Blue #0E87CC ΔE 0.066
- Cool Blue #4984B8 ΔE 0.069
- Chefchaouen Blue #4895EF ΔE 0.069
- Dusty Blue #5A86AD ΔE 0.071
Use #259DCA in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.