#38455A
Closest named color: Dark Grey Blue (#29465B). oklch(38.8% 0.04 259.9), rgb(56, 69, 90).
Aa
White text reads best on this color (9.69:1).
About this color
#38455A is a dark, muted blue. In OKLCH its lightness is 39%, its chroma 0.040 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.019 away. White text reads best on it, at 9.69:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.69:1 |
Values
| HEX | #38455A |
| RGB | rgb(56, 69, 90) |
| HSL | hsl(217, 23%, 29%) |
| OKLCH | oklch(38.8% 0.04 259.9) |
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 #38455A | 9.69:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #38455A | 2.16:1 | Fails | Lc 11.5 | Not readable |
| #38455A text on white | 9.69:1 | AAA | Lc 92.4 | Preferred for body text |
| #38455A text on black | 2.16:1 | Fails | Lc -10.0 | 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
#F4F5F8
oklch(97% 0.004 271.4)
-
Step 100
100
#E6EAF0
oklch(93.6% 0.009 258.3)
-
Step 200
200
#D3DAE4
oklch(88.6% 0.016 257.2)
-
Step 300
300
#B6C1D4
oklch(80.8% 0.029 261.5)
-
Step 400
400
#8FA2BF
oklch(70.7% 0.048 258.7)
-
Step 500
500
#748AAF
oklch(63% 0.062 260.7)
-
Step 600
600
#5C749A
oklch(55.5% 0.066 259.4)
-
Step 700
700
#4C6184
oklch(49% 0.062 260.4)
-
Step 800
800
#3E506B
oklch(42.8% 0.051 258.3)
-
Step 900
900 (this color)
#38455A
oklch(38.8% 0.04 259.9)
-
Step 950
950
#1F2733
oklch(27.1% 0.025 258.3)
#38455A 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) | #3E465B | 0.010 |
| Deuteranopia (no green cones) | #3A435A | 0.007 |
| Tritanopia (no blue cones) | #2E494C | 0.034 |
| Achromatopsia (no color) | #444444 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #38455A
#38455A
oklch(38.8% 0.04 259.9)
- #50422C
#50422C
oklch(38.8% 0.039 78.5)
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 #38455A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.019
- Charcoal #264653 ΔE 0.028
- Charcoal Grey #3C4142 ΔE 0.039
- Dark Slate Gray #2F4F4F ΔE 0.044
- Onyx #343A40 ΔE 0.051
- Dark Blue Grey #1F3B4D ΔE 0.052
- Dark Teal #014D4E ΔE 0.059
- Deep Teal #00555A ΔE 0.063
Use #38455A 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.