#2A415C
Closest named color: Dark Grey Blue (#29465B). oklch(36.9% 0.055 253.2), rgb(42, 65, 92).
Aa
White text reads best on this color (10.45:1).
About this color
#2A415C is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.055 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.017 away. White text reads best on it, at 10.45:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.00:1 |
| White text | 10.45:1 |
Values
| HEX | #2A415C |
| RGB | rgb(42, 65, 92) |
| HSL | hsl(212, 37%, 26%) |
| OKLCH | oklch(36.9% 0.055 253.2) |
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 #2A415C | 10.45:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #2A415C | 2.00:1 | Fails | Lc 9.7 | Not readable |
| #2A415C text on white | 10.45:1 | AAA | Lc 94.2 | Preferred for body text |
| #2A415C text on black | 2.00:1 | Fails | Lc -8.4 | Not readable |
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 900.
-
Step 50
50
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EAF2
oklch(93.5% 0.013 255.5)
-
Step 200
200
#CFDAE8
oklch(88.4% 0.023 254.4)
-
Step 300
300
#AEC3DB
oklch(80.9% 0.041 251.8)
-
Step 400
400
#84A3C9
oklch(70.6% 0.066 253.8)
-
Step 500
500
#648CBC
oklch(63% 0.085 253.5)
-
Step 600
600
#4B76A8
oklch(55.6% 0.092 253.1)
-
Step 700
700
#3C6390
oklch(49.1% 0.085 253)
-
Step 800
800
#325175
oklch(42.8% 0.071 253.1)
-
Step 900
900 (this color)
#2A415C
oklch(36.9% 0.055 253.2)
-
Step 950
950
#1A2737
oklch(26.9% 0.035 254.1)
#2A415C 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) | #36425D | 0.017 |
| Deuteranopia (no green cones) | #303D5B | 0.014 |
| Tritanopia (no blue cones) | #12474A | 0.048 |
| Achromatopsia (no color) | #3F3F3F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A415C
#2A415C
oklch(36.9% 0.055 253.2)
- #513B1C
#513B1C
oklch(37% 0.055 74)
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 #2A415C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.017
- Charcoal #264653 ΔE 0.026
- Dark Blue Grey #1F3B4D ΔE 0.034
- Prussian Blue #1D3557 ΔE 0.044
- Onyx #343A40 ΔE 0.048
- Midnight Green #073B4C ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.050
- Twilight Blue #0A437A ΔE 0.055
Use #2A415C 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.