#1D4E69
Closest named color: Dark Grey Blue (#29465B). oklch(40.4% 0.069 236.3), rgb(29, 78, 105).
Aa
White text reads best on this color (8.95:1).
About this color
#1D4E69 is a dark, muted blue. In OKLCH its lightness is 40%, its chroma 0.069 and its hue 236°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.030 away. White text reads best on it, at 8.95:1.
| Hue family | Blues |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.34:1 |
| White text | 8.95:1 |
Values
| HEX | #1D4E69 |
| RGB | rgb(29, 78, 105) |
| HSL | hsl(201, 57%, 26%) |
| OKLCH | oklch(40.4% 0.069 236.3) |
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 #1D4E69 | 8.95:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #1D4E69 | 2.34:1 | Fails | Lc 13.7 | Not readable |
| #1D4E69 text on white | 8.95:1 | AAA | Lc 90.3 | Preferred for body text |
| #1D4E69 text on black | 2.34:1 | Fails | Lc -12.0 | 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 800.
-
Step 50
50
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E3EBF1
oklch(93.6% 0.012 239.9)
-
Step 200
200
#CCDCE6
oklch(88.5% 0.022 235)
-
Step 300
300
#A9C5D8
oklch(80.9% 0.041 237.7)
-
Step 400
400
#7AA7C4
oklch(70.7% 0.064 237.1)
-
Step 500
500
#5591B5
oklch(63% 0.083 236.5)
-
Step 600
600
#387BA1
oklch(55.6% 0.09 236.4)
-
Step 700
700
#2A678A
oklch(49% 0.084 237.2)
-
Step 800
800 (this color)
#1D4E69
oklch(40.4% 0.069 236.3)
-
Step 900
900
#23465A
oklch(37.7% 0.053 235.6)
-
Step 950
950
#152935
oklch(27% 0.034 236.3)
#1D4E69 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) | #414E6A | 0.041 |
| Deuteranopia (no green cones) | #374669 | 0.035 |
| Tritanopia (no blue cones) | #005557 | 0.046 |
| Achromatopsia (no color) | #494949 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D4E69
#1D4E69
oklch(40.4% 0.069 236.3)
- #653E21
#653E21
oklch(40.4% 0.069 55.9)
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 #1D4E69, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.030
- Charcoal #264653 ΔE 0.039
- Deep Teal #00555A ΔE 0.042
- Deep Sea Blue #015482 ΔE 0.042
- Light Navy #155084 ΔE 0.045
- Dark Slate Gray #2F4F4F ΔE 0.047
- Dark Teal #014D4E ΔE 0.051
- Twilight Blue #0A437A ΔE 0.052
Use #1D4E69 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.