#4F7E91
Closest named color: Stormy Blue (#507B9C). oklch(56.7% 0.059 225.6), rgb(79, 126, 145).
Aa
Black text reads best on this color (4.72:1).
About this color
#4F7E91 is a medium-dark, muted teal or cyan. In OKLCH its lightness is 57%, its chroma 0.059 and its hue 226°. Its hue sits on the cool side of the wheel. The nearest named color is Stormy Blue (#507B9C), ΔE 0.022 away. Black text reads best on it, at 4.72:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (57%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Stormy Blue (#507B9C) |
| Black text | 4.72:1 |
| White text | 4.44:1 |
Values
| HEX | #4F7E91 |
| RGB | rgb(79, 126, 145) |
| HSL | hsl(197, 29%, 44%) |
| OKLCH | oklch(56.7% 0.059 225.6) |
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 #4F7E91 | 4.44:1 | AA large text | Lc -76.2 | Fine for body text |
| Black text on #4F7E91 | 4.72:1 | AA | Lc 33.3 | Non-text elements, placeholder text |
| #4F7E91 text on white | 4.44:1 | AA large text | Lc 70.7 | Content text, not long reading |
| #4F7E91 text on black | 4.72:1 | AA | Lc -30.9 | Non-text elements, placeholder text |
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 600.
-
Step 50
50
#F3F6F7
oklch(97.1% 0.003 219.5)
-
Step 100
100
#E5EBEE
oklch(93.6% 0.008 228.9)
-
Step 200
200
#CFDBE1
oklch(88.4% 0.015 229)
-
Step 300
300
#AFC5CE
oklch(81% 0.027 224.3)
-
Step 400
400
#85A7B5
oklch(70.8% 0.042 224.9)
-
Step 500
500
#6691A3
oklch(63.2% 0.054 225.9)
-
Step 600
600 (this color)
#4F7E91
oklch(56.7% 0.059 225.6)
-
Step 700
700
#3D6778
oklch(49% 0.054 225.9)
-
Step 800
800
#325462
oklch(42.6% 0.046 226.2)
-
Step 900
900
#2D4650
oklch(37.8% 0.035 225)
-
Step 950
950
#1A292F
oklch(27% 0.023 224.8)
#4F7E91 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) | #747C92 | 0.046 |
| Deuteranopia (no green cones) | #6A7491 | 0.042 |
| Tritanopia (no blue cones) | #328484 | 0.041 |
| Achromatopsia (no color) | #787878 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4F7E91
#4F7E91
oklch(56.7% 0.059 225.6)
- #946C59
#946C59
oklch(56.7% 0.059 46.5)
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 #4F7E91, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Stormy Blue #507B9C ΔE 0.022
- Grey Blue #647D8E ΔE 0.024
- Cerulean #457B9D ΔE 0.025
- Metallic Blue #4F738E ΔE 0.032
- Battleship Grey #6B7C85 ΔE 0.036
- Dull Blue #49759C ΔE 0.037
- Slate Gray #708090 ΔE 0.042
- Steel Grey #6F828A ΔE 0.043
Use #4F7E91 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.