#1D4468
Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.076 248.9), rgb(29, 68, 104).
Aa
White text reads best on this color (10.10:1).
About this color
#1D4468 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.076 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.027 away. White text reads best on it, at 10.10:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.07:1 |
| White text | 10.10:1 |
Values
| HEX | #1D4468 |
| RGB | rgb(29, 68, 104) |
| HSL | hsl(209, 56%, 26%) |
| OKLCH | oklch(37.7% 0.076 248.9) |
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 #1D4468 | 10.10:1 | AAA | Lc -97.3 | Preferred for body text |
| Black text on #1D4468 | 2.07:1 | Fails | Lc 10.7 | Not readable |
| #1D4468 text on white | 10.10:1 | AAA | Lc 93.2 | Preferred for body text |
| #1D4468 text on black | 2.07:1 | Fails | Lc -9.3 | 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
#F2F6FA
oklch(97.1% 0.007 247.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#CADBEE
oklch(88.5% 0.032 251.1)
-
Step 300
300
#A5C4E5
oklch(80.9% 0.058 250.2)
-
Step 400
400
#73A5D7
oklch(70.6% 0.091 249.2)
-
Step 500
500
#4C8ECD
oklch(63.1% 0.117 249.2)
-
Step 600
600
#2C77BA
oklch(55.6% 0.127 249.2)
-
Step 700
700
#1D64A0
oklch(49.1% 0.118 248.7)
-
Step 800
800
#1B5282
oklch(42.8% 0.098 248.8)
-
Step 900
900 (this color)
#1D4468
oklch(37.7% 0.076 248.9)
-
Step 950
950
#12283D
oklch(27% 0.048 249)
#1D4468 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) | #34466A | 0.028 |
| Deuteranopia (no green cones) | #2A3E67 | 0.021 |
| Tritanopia (no blue cones) | #004D51 | 0.059 |
| Achromatopsia (no color) | #424242 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1D4468
#1D4468
oklch(37.7% 0.076 248.9)
- #5B3909
#5B3909
oklch(37.7% 0.076 69.4)
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 #1D4468, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.027
- Twilight Blue #0A437A ΔE 0.033
- Charcoal #264653 ΔE 0.040
- Marine Blue #01386A ΔE 0.046
- Dark Blue Grey #1F3B4D ΔE 0.050
- Prussian Blue #1D3557 ΔE 0.051
- Light Navy #155084 ΔE 0.054
- Midnight Green #073B4C ΔE 0.058
Use #1D4468 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.