#2BA5DB
Closest named color: Turquoise Blue (#06B1C4). oklch(68.1% 0.129 233.1), rgb(43, 165, 219).
Aa
Black text reads best on this color (7.50:1).
About this color
#2BA5DB is a medium-light, moderately saturated blue. In OKLCH its lightness is 68%, its chroma 0.129 and its hue 233°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.056 away. Black text reads best on it, at 7.50:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.129) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.50:1 |
| White text | 2.79:1 |
Values
| HEX | #2BA5DB |
| RGB | rgb(43, 165, 219) |
| HSL | hsl(198, 71%, 51%) |
| OKLCH | oklch(68.1% 0.129 233.1) |
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 #2BA5DB | 2.79:1 | Fails | Lc -58.7 | Large or bold text, headings |
| Black text on #2BA5DB | 7.50:1 | AAA | Lc 50.6 | Large or bold text, headings |
| #2BA5DB text on white | 2.79:1 | Fails | Lc 53.4 | Large or bold text, headings |
| #2BA5DB text on black | 7.50:1 | AAA | Lc -48.4 | Large or bold text, headings |
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 400.
-
Step 50
50
#EFF7FC
oklch(97.2% 0.011 234.8)
-
Step 100
100
#DBEDF7
oklch(93.6% 0.023 231.8)
-
Step 200
200
#BDDFF2
oklch(88.5% 0.044 232.4)
-
Step 300
300
#8BCAED
oklch(80.9% 0.081 233.5)
-
Step 400
400 (this color)
#2BA5DB
oklch(68.1% 0.129 233.1)
-
Step 500
500
#0095CB
oklch(63% 0.131 233.2)
-
Step 600
600
#007DAB
oklch(55.5% 0.115 233.2)
-
Step 700
700
#006991
oklch(49% 0.102 233.6)
-
Step 800
800
#005677
oklch(42.6% 0.088 233.1)
-
Step 900
900
#004864
oklch(37.8% 0.078 232.8)
-
Step 950
950
#002A3D
oklch(26.9% 0.056 233.8)
#2BA5DB 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) | #8AA4DE | 0.082 |
| Deuteranopia (no green cones) | #7393DA | 0.069 |
| Tritanopia (no blue cones) | #00B3B7 | 0.077 |
| Achromatopsia (no color) | #9A9A9A | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2BA5DB
#2BA5DB
oklch(68.1% 0.129 233.1)
- #D68046
#D68046
oklch(68.1% 0.129 52.8)
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 #2BA5DB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.056
- Chefchaouen Blue #4895EF ΔE 0.060
- Cornflower Blue #6495ED ΔE 0.067
- Dark Sky Blue #448EE4 ΔE 0.068
- Greyblue #77A1B5 ΔE 0.075
- Faded Blue #658CBB ΔE 0.078
- Deep Sky Blue #00BFFF ΔE 0.078
- Water Blue #0E87CC ΔE 0.087
Use #2BA5DB 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.