#30435C
Closest named color: Dark Grey Blue (#29465B). oklch(37.8% 0.049 255.5), rgb(48, 67, 92).
Aa
White text reads best on this color (10.08:1).
About this color
#30435C is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.049 and its hue 256°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.013 away. White text reads best on it, at 10.08:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.049) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.08:1 |
| White text | 10.08:1 |
Values
| HEX | #30435C |
| RGB | rgb(48, 67, 92) |
| HSL | hsl(214, 31%, 27%) |
| OKLCH | oklch(37.8% 0.049 255.5) |
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 #30435C | 10.08:1 | AAA | Lc -97.5 | Preferred for body text |
| Black text on #30435C | 2.08:1 | Fails | Lc 10.6 | Not readable |
| #30435C text on white | 10.08:1 | AAA | Lc 93.4 | Preferred for body text |
| #30435C text on black | 2.08:1 | Fails | Lc -9.1 | 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
#E5EAF1
oklch(93.5% 0.011 256.7)
-
Step 200
200
#D0DAE7
oklch(88.5% 0.021 254.9)
-
Step 300
300
#B1C2D9
oklch(80.8% 0.038 256)
-
Step 400
400
#88A3C6
oklch(70.7% 0.06 255.1)
-
Step 500
500
#6B8CB7
oklch(63.2% 0.075 255.3)
-
Step 600
600
#5275A3
oklch(55.6% 0.083 255.6)
-
Step 700
700
#43628C
oklch(49.1% 0.077 256.2)
-
Step 800
800
#375071
oklch(42.6% 0.063 255.7)
-
Step 900
900 (this color)
#30435C
oklch(37.8% 0.049 255.5)
-
Step 950
950
#1C2736
oklch(27% 0.032 256.3)
#30435C 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) | #3A445D | 0.015 |
| Deuteranopia (no green cones) | #34405B | 0.010 |
| Tritanopia (no blue cones) | #1F494C | 0.044 |
| Achromatopsia (no color) | #424242 | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #30435C
#30435C
oklch(37.8% 0.049 255.5)
- #513E23
#513E23
oklch(37.8% 0.049 75.1)
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 #30435C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.013
- Charcoal #264653 ΔE 0.024
- Dark Blue Grey #1F3B4D ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.045
- Onyx #343A40 ΔE 0.049
- Dark Slate Gray #2F4F4F ΔE 0.051
- Prussian Blue #1D3557 ΔE 0.054
- Midnight Green #073B4C ΔE 0.057
Use #30435C 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.