#1F466C
Closest named color: Dark Grey Blue (#29465B). oklch(38.5% 0.079 250.1), rgb(31, 70, 108).
Aa
White text reads best on this color (9.76:1).
About this color
#1F466C is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.079 and its hue 250°. 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 9.76:1.
| Hue family | Blues |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.079) |
| Temperature | cool |
| Nearest name | Dark Grey Blue (#29465B) |
| Black text | 2.15:1 |
| White text | 9.76:1 |
Values
| HEX | #1F466C |
| RGB | rgb(31, 70, 108) |
| HSL | hsl(210, 55%, 27%) |
| OKLCH | oklch(38.5% 0.079 250.1) |
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 #1F466C | 9.76:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #1F466C | 2.15:1 | Fails | Lc 11.5 | Not readable |
| #1F466C text on white | 9.76:1 | AAA | Lc 92.4 | Preferred for body text |
| #1F466C text on black | 2.15:1 | 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
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF5
oklch(93.6% 0.017 250.8)
-
Step 200
200
#C9DBEF
oklch(88.4% 0.034 251)
-
Step 300
300
#A4C4E6
oklch(80.8% 0.059 250.1)
-
Step 400
400
#72A5DA
oklch(70.7% 0.095 250.2)
-
Step 500
500
#4B8ECF
oklch(63.2% 0.12 249.6)
-
Step 600
600
#2B77BC
oklch(55.7% 0.13 249.7)
-
Step 700
700
#1D63A2
oklch(49% 0.122 250.1)
-
Step 800
800
#1B5184
oklch(42.7% 0.102 250.5)
-
Step 900
900 (this color)
#1F466C
oklch(38.5% 0.079 250.1)
-
Step 950
950
#12283E
oklch(27.1% 0.05 250.2)
#1F466C 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) | #35486E | 0.027 |
| Deuteranopia (no green cones) | #2A416B | 0.017 |
| Tritanopia (no blue cones) | #004F54 | 0.060 |
| Achromatopsia (no color) | #444444 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F466C
#1F466C
oklch(38.5% 0.079 250.1)
- #5E3B08
#5E3B08
oklch(38.5% 0.078 69.8)
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 #1F466C, 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
- Twilight Blue #0A437A ΔE 0.030
- Charcoal #264653 ΔE 0.044
- Light Navy #155084 ΔE 0.045
- Deep Sea Blue #015482 ΔE 0.050
- Marine Blue #01386A ΔE 0.052
- Dark Blue Grey #1F3B4D ΔE 0.058
- Cobalt #1E488F ΔE 0.059
Use #1F466C 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.