#1F495D
Closest named color: Dark Grey Blue (#29465B). oklch(38.5% 0.058 231.6), rgb(31, 73, 93).
Aa
White text reads best on this color (9.68:1).
About this color
#1F495D is a dark, muted blue. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 232°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.012 away. White text reads best on it, at 9.68:1.
| Hue family | Blues |
| Lightness | dark (38%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.16:1 |
| White text | 9.68:1 |
Values
| HEX | #1F495D |
| RGB | rgb(31, 73, 93) |
| HSL | hsl(199, 50%, 24%) |
| OKLCH | oklch(38.5% 0.058 231.6) |
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 #1F495D | 9.68:1 | AAA | Lc -96.5 | Preferred for body text |
| Black text on #1F495D | 2.16:1 | Fails | Lc 11.7 | Not readable |
| #1F495D text on white | 9.68:1 | AAA | Lc 92.3 | Preferred for body text |
| #1F495D text on black | 2.16:1 | Fails | Lc -10.2 | 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
#F2F6F9
oklch(97.1% 0.006 239.8)
-
Step 100
100
#E2ECF1
oklch(93.7% 0.013 228.9)
-
Step 200
200
#CADCE6
oklch(88.4% 0.024 231.9)
-
Step 300
300
#A5C6D8
oklch(80.8% 0.044 231.9)
-
Step 400
400
#74A9C4
oklch(70.8% 0.068 231.1)
-
Step 500
500
#4C93B6
oklch(63.1% 0.089 231.9)
-
Step 600
600
#2A7DA1
oklch(55.6% 0.095 231)
-
Step 700
700
#1B698A
oklch(49.1% 0.089 231.4)
-
Step 800
800
#1A5670
oklch(42.8% 0.074 231)
-
Step 900
900 (this color)
#1F495D
oklch(38.5% 0.058 231.6)
-
Step 950
950
#122A35
oklch(27.1% 0.036 229.8)
#1F495D 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) | #3F485E | 0.039 |
| Deuteranopia (no green cones) | #36425D | 0.033 |
| Tritanopia (no blue cones) | #004E50 | 0.037 |
| Achromatopsia (no color) | #444444 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F495D
#1F495D
oklch(38.5% 0.058 231.6)
- #5C3A26
#5C3A26
oklch(38.4% 0.058 50.8)
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 #1F495D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Grey Blue #29465B ΔE 0.012
- Charcoal #264653 ΔE 0.017
- Dark Teal #014D4E ΔE 0.038
- Dark Slate Gray #2F4F4F ΔE 0.039
- Deep Teal #00555A ΔE 0.042
- Dark Blue Grey #1F3B4D ΔE 0.048
- Charcoal Grey #3C4142 ΔE 0.053
- Dark Blue Green #005249 ΔE 0.055
Use #1F495D 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.