#2A9DCE
Closest named color: Faded Blue (#658CBB). oklch(65.6% 0.121 231.9), rgb(42, 157, 206).
Aa
Black text reads best on this color (6.81:1).
About this color
#2A9DCE is a medium-light, moderately saturated blue. In OKLCH its lightness is 66%, its chroma 0.121 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Faded Blue (#658CBB), ΔE 0.059 away. Black text reads best on it, at 6.81:1.
| Hue family | Blues |
| Lightness | medium-light (66%) |
| Chroma | moderately saturated (0.121) |
| Temperature | cool |
| Nearest name | Faded Blue (#658CBB) |
| Black text | 6.81:1 |
| White text | 3.08:1 |
Values
| HEX | #2A9DCE |
| RGB | rgb(42, 157, 206) |
| HSL | hsl(198, 66%, 49%) |
| OKLCH | oklch(65.6% 0.121 231.9) |
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 #2A9DCE | 3.08:1 | AA large text | Lc -62.7 | Content text, not long reading |
| Black text on #2A9DCE | 6.81:1 | AA | Lc 46.7 | Large or bold text, headings |
| #2A9DCE text on white | 3.08:1 | AA large text | Lc 57.3 | Large or bold text, headings |
| #2A9DCE text on black | 6.81:1 | AA | Lc -44.4 | 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
#F0F6FA
oklch(97% 0.008 236.6)
-
Step 100
100
#DFECF4
oklch(93.6% 0.018 234.5)
-
Step 200
200
#C4DEEB
oklch(88.5% 0.033 229.3)
-
Step 300
300
#9AC8E1
oklch(80.9% 0.06 232.2)
-
Step 400
400
#5EABD2
oklch(70.7% 0.095 232.3)
-
Step 500
500 (this color)
#2A9DCE
oklch(65.6% 0.121 231.9)
-
Step 600
600
#007EAA
oklch(55.7% 0.113 231.8)
-
Step 700
700
#006A8F
oklch(49.2% 0.1 231.3)
-
Step 800
800
#005676
oklch(42.6% 0.087 232.3)
-
Step 900
900
#004863
oklch(37.7% 0.077 231.8)
-
Step 950
950
#052A3B
oklch(26.9% 0.051 233.3)
#2A9DCE 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) | #849BD0 | 0.079 |
| Deuteranopia (no green cones) | #6F8CCD | 0.068 |
| Tritanopia (no blue cones) | #00AAAE | 0.071 |
| Achromatopsia (no color) | #939393 | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A9DCE
#2A9DCE
oklch(65.6% 0.121 231.9)
- #CB7A46
#CB7A46
oklch(65.7% 0.122 51.8)
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 #2A9DCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Faded Blue #658CBB ΔE 0.059
- Dark Sky Blue #448EE4 ΔE 0.060
- Chefchaouen Blue #4895EF ΔE 0.063
- Turquoise Blue #06B1C4 ΔE 0.063
- Blue NCS #118AB2 ΔE 0.065
- Water Blue #0E87CC ΔE 0.065
- Cool Blue #4984B8 ΔE 0.070
- Cornflower Blue #6495ED ΔE 0.072
Use #2A9DCE 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.