#2A415E
Closest named color: Dark Grey Blue (#29465B). oklch(37% 0.058 254.7), rgb(42, 65, 94).
Aa
White text reads best on this color (10.41:1).
About this color
#2A415E is a dark, muted blue. In OKLCH its lightness is 37%, its chroma 0.058 and its hue 255°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.018 away. White text reads best on it, at 10.41:1.
| Hue family | Blues |
| Lightness | dark (37%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.01:1 |
| White text | 10.41:1 |
Values
| HEX | #2A415E |
| RGB | rgb(42, 65, 94) |
| HSL | hsl(213, 38%, 27%) |
| OKLCH | oklch(37% 0.058 254.7) |
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 #2A415E | 10.41:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #2A415E | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #2A415E text on white | 10.41:1 | AAA | Lc 94.1 | Preferred for body text |
| #2A415E text on black | 2.01:1 | Fails | Lc -8.5 | 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
#CFDAE9
oklch(88.5% 0.024 256.1)
-
Step 300
300
#AEC3DD
oklch(81% 0.043 253.8)
-
Step 400
400
#83A3CC
oklch(70.7% 0.07 254.8)
-
Step 500
500
#648CBF
oklch(63.1% 0.089 254.9)
-
Step 600
600
#4A75AB
oklch(55.5% 0.097 254.8)
-
Step 700
700
#3C6293
oklch(49.1% 0.09 255.4)
-
Step 800
800
#325077
oklch(42.6% 0.075 255.5)
-
Step 900
900 (this color)
#2A415E
oklch(37% 0.058 254.7)
-
Step 950
950
#1A2738
oklch(26.9% 0.037 255.4)
#2A415E 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) | #35435F | 0.017 |
| Deuteranopia (no green cones) | #2F3D5D | 0.013 |
| Tritanopia (no blue cones) | #10484B | 0.052 |
| Achromatopsia (no color) | #404040 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #2A415E
#2A415E
oklch(37% 0.058 254.7)
- #523B1A
#523B1A
oklch(37.1% 0.058 74.2)
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 #2A415E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.018
- Charcoal #264653 ΔE 0.029
- Dark Blue Grey #1F3B4D ΔE 0.037
- Prussian Blue #1D3557 ΔE 0.044
- Midnight Green #073B4C ΔE 0.050
- Onyx #343A40 ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
- Charcoal Grey #3C4142 ΔE 0.053
Use #2A415E 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.