#2A6380
Closest named color: Denim (#3B638C). oklch(47.5% 0.075 233.7), rgb(42, 99, 128).
Aa
White text reads best on this color (6.57:1).
About this color
#2A6380 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 47%, its chroma 0.075 and its hue 234°. Its hue sits on the cool side of the wheel. The nearest named color is Denim (#3B638C), ΔE 0.027 away. White text reads best on it, at 6.57:1.
| Hue family | Blues |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Denim (#3B638C) |
| Black text | 3.19:1 |
| White text | 6.57:1 |
Values
| HEX | #2A6380 |
| RGB | rgb(42, 99, 128) |
| HSL | hsl(200, 51%, 33%) |
| OKLCH | oklch(47.5% 0.075 233.7) |
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 #2A6380 | 6.57:1 | AA | Lc -87.4 | Fine for body text |
| Black text on #2A6380 | 3.19:1 | AA large text | Lc 21.7 | Dividers and decoration only |
| #2A6380 text on white | 6.57:1 | AA | Lc 82.3 | Fine for body text |
| #2A6380 text on black | 3.19:1 | AA large text | Lc -19.6 | Dividers and decoration only |
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 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E3EBF0
oklch(93.5% 0.011 234.8)
-
Step 200
200
#CDDCE5
oklch(88.6% 0.02 233.9)
-
Step 300
300
#AAC5D5
oklch(80.8% 0.037 233.9)
-
Step 400
400
#7CA7C0
oklch(70.6% 0.059 234.2)
-
Step 500
500
#5A91B0
oklch(63.1% 0.075 234.4)
-
Step 600
600
#3D7B9B
oklch(55.5% 0.081 233.3)
-
Step 700
700 (this color)
#2A6380
oklch(47.5% 0.075 233.7)
-
Step 800
800
#28556C
oklch(42.8% 0.062 233.1)
-
Step 900
900
#254657
oklch(37.7% 0.048 232.5)
-
Step 950
950
#172933
oklch(27% 0.03 233.8)
#2A6380 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) | #556281 | 0.048 |
| Deuteranopia (no green cones) | #495980 | 0.042 |
| Tritanopia (no blue cones) | #006B6D | 0.050 |
| Achromatopsia (no color) | #5D5D5D | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A6380
#2A6380
oklch(47.5% 0.075 233.7)
- #7D5031
#7D5031
oklch(47.5% 0.075 54.4)
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 #2A6380, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Denim #3B638C ΔE 0.027
- YInMn Blue #415A77 ΔE 0.032
- Light Navy Blue #2E5A88 ΔE 0.033
- Peacock Blue #016795 ΔE 0.035
- Petrol #005F6A ΔE 0.045
- Denim Blue #3B5B92 ΔE 0.045
- Slate #516572 ΔE 0.048
- Dark Aqua #05696B ΔE 0.049
Use #2A6380 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.