#83A1BF
Closest named color: Bluegrey (#85A3B2). oklch(69.7% 0.055 248.6), rgb(131, 161, 191).
Aa
Black text reads best on this color (7.81:1).
About this color
#83A1BF is a medium-light, muted blue. In OKLCH its lightness is 70%, its chroma 0.055 and its hue 249°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegrey (#85A3B2), ΔE 0.022 away. Black text reads best on it, at 7.81:1.
| Hue family | Blues |
| Lightness | medium-light (70%) |
| Chroma | muted (0.055) |
| Temperature | cool |
| Nearest name | Bluegrey (#85A3B2) |
| Black text | 7.81:1 |
| White text | 2.68:1 |
Values
| HEX | #83A1BF |
| RGB | rgb(131, 161, 191) |
| HSL | hsl(210, 32%, 63%) |
| OKLCH | oklch(69.7% 0.055 248.6) |
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 #83A1BF | 2.68:1 | Fails | Lc -57.4 | Large or bold text, headings |
| Black text on #83A1BF | 7.81:1 | AAA | Lc 51.9 | Large or bold text, headings |
| #83A1BF text on white | 2.68:1 | Fails | Lc 52.2 | Large or bold text, headings |
| #83A1BF text on black | 7.81:1 | AAA | Lc -49.7 | Large or bold text, headings |
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 400.
-
Step 50
50
#F3F6F8
oklch(97.1% 0.004 236.5)
-
Step 100
100
#E5EBF0
oklch(93.7% 0.009 242.8)
-
Step 200
200
#D0DBE6
oklch(88.6% 0.019 248)
-
Step 300
300
#B0C3D7
oklch(80.9% 0.035 249.6)
-
Step 400
400 (this color)
#83A1BF
oklch(69.7% 0.055 248.6)
-
Step 500
500
#678DB3
oklch(63% 0.072 249)
-
Step 600
600
#4E779F
oklch(55.6% 0.078 248.8)
-
Step 700
700
#3F6488
oklch(49.1% 0.072 248.8)
-
Step 800
800
#34526E
oklch(42.8% 0.059 247.7)
-
Step 900
900
#2E4459
oklch(37.8% 0.046 248)
-
Step 950
950
#1B2834
oklch(27.1% 0.029 246.9)
#83A1BF 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) | #96A1C0 | 0.025 |
| Deuteranopia (no green cones) | #8E9BBE | 0.020 |
| Tritanopia (no blue cones) | #71A8AB | 0.047 |
| Achromatopsia (no color) | #9E9E9E | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #83A1BF
#83A1BF
oklch(69.7% 0.055 248.6)
- #B59879
#B59879
oklch(69.8% 0.055 68.6)
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 #83A1BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegrey #85A3B2 ΔE 0.022
- Greyblue #77A1B5 ΔE 0.022
- Bluey Grey #89A0B0 ΔE 0.022
- Cool Gray #8D99AE ΔE 0.029
- Cool Steel #97A7B3 ΔE 0.038
- Cool Grey #95A3A6 ΔE 0.044
- Pewter #96A8A1 ΔE 0.058
- Silver Lake Blue #778DA9 ΔE 0.061
Use #83A1BF 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.