#1F464D
Closest named color: Charcoal (#264653). oklch(36.9% 0.045 210.7), rgb(31, 70, 77).
Aa
White text reads best on this color (10.28:1).
About this color
#1F464D is a dark, muted teal or cyan. In OKLCH its lightness is 37%, its chroma 0.045 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Charcoal (#264653), ΔE 0.014 away. White text reads best on it, at 10.28:1.
| Hue family | Teals and cyans |
| Lightness | dark (37%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Charcoal (#264653) |
| Black text | 2.04:1 |
| White text | 10.28:1 |
Values
| HEX | #1F464D |
| RGB | rgb(31, 70, 77) |
| HSL | hsl(189, 43%, 21%) |
| OKLCH | oklch(36.9% 0.045 210.7) |
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 #1F464D | 10.28:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #1F464D | 2.04:1 | Fails | Lc 10.2 | Not readable |
| #1F464D text on white | 10.28:1 | AAA | Lc 93.7 | Preferred for body text |
| #1F464D text on black | 2.04:1 | Fails | Lc -8.8 | 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
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E3ECED
oklch(93.7% 0.01 204.9)
-
Step 200
200
#CCDDE0
oklch(88.6% 0.019 209.4)
-
Step 300
300
#A8C7CD
oklch(80.9% 0.034 210.7)
-
Step 400
400
#78AAB4
oklch(70.6% 0.055 211.4)
-
Step 500
500
#5395A1
oklch(63.1% 0.07 210.6)
-
Step 600
600
#347F8C
oklch(55.5% 0.076 210.7)
-
Step 700
700
#266B77
oklch(49% 0.07 211.1)
-
Step 800
800
#215861
oklch(42.8% 0.059 209.9)
-
Step 900
900 (this color)
#1F464D
oklch(36.9% 0.045 210.7)
-
Step 950
950
#142A2E
oklch(26.9% 0.029 210.5)
#1F464D 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) | #40444D | 0.042 |
| Deuteranopia (no green cones) | #393E4D | 0.040 |
| Tritanopia (no blue cones) | #004948 | 0.024 |
| Achromatopsia (no color) | #414141 | 0.046 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #1F464D
#1F464D
oklch(36.9% 0.045 210.7)
- #553631
#553631
oklch(36.8% 0.046 29.5)
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 #1F464D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal #264653 ΔE 0.014
- Dark Teal #014D4E ΔE 0.026
- Dark Grey Blue #29465B ΔE 0.028
- Dark Slate Gray #2F4F4F ΔE 0.036
- Dark Blue Grey #1F3B4D ΔE 0.037
- Charcoal Grey #3C4142 ΔE 0.039
- Onyx #343A40 ΔE 0.043
- Midnight Green #073B4C ΔE 0.044
Use #1F464D 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.