#7B9BBC
Closest named color: Greyblue (#77A1B5). oklch(67.7% 0.061 249.5), rgb(123, 155, 188).
Aa
Black text reads best on this color (7.25:1).
About this color
#7B9BBC is a medium-light, muted blue. In OKLCH its lightness is 68%, its chroma 0.061 and its hue 250°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.023 away. Black text reads best on it, at 7.25:1.
| Hue family | Blues |
| Lightness | medium-light (68%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.25:1 |
| White text | 2.89:1 |
Values
| HEX | #7B9BBC |
| RGB | rgb(123, 155, 188) |
| HSL | hsl(210, 33%, 61%) |
| OKLCH | oklch(67.7% 0.061 249.5) |
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 #7B9BBC | 2.89:1 | Fails | Lc -60.5 | Content text, not long reading |
| Black text on #7B9BBC | 7.25:1 | AAA | Lc 48.8 | Large or bold text, headings |
| #7B9BBC text on white | 2.89:1 | Fails | Lc 55.2 | Large or bold text, headings |
| #7B9BBC text on black | 7.25:1 | AAA | Lc -46.6 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE7
oklch(88.6% 0.021 248.1)
-
Step 300
300
#AFC3D9
oklch(80.9% 0.038 250.8)
-
Step 400
400 (this color)
#7B9BBC
oklch(67.7% 0.061 249.5)
-
Step 500
500
#648DB7
oklch(63% 0.078 249.7)
-
Step 600
600
#4B77A3
oklch(55.6% 0.084 249.6)
-
Step 700
700
#3C648B
oklch(49.1% 0.078 249.1)
-
Step 800
800
#325271
oklch(42.8% 0.064 248.8)
-
Step 900
900
#2C445C
oklch(37.8% 0.051 249.3)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#7B9BBC 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) | #8E9CBE | 0.025 |
| Deuteranopia (no green cones) | #8695BB | 0.020 |
| Tritanopia (no blue cones) | #66A3A6 | 0.052 |
| Achromatopsia (no color) | #989898 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7B9BBC
#7B9BBC
oklch(67.7% 0.061 249.5)
- #B0916F
#B0916F
oklch(67.7% 0.06 69.1)
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 #7B9BBC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.023
- Cool Gray #8D99AE ΔE 0.029
- Bluey Grey #89A0B0 ΔE 0.032
- Bluegrey #85A3B2 ΔE 0.034
- Silver Lake Blue #778DA9 ΔE 0.043
- Blue Grey #758DA3 ΔE 0.048
- Faded Blue #658CBB ΔE 0.053
- Cool Steel #97A7B3 ΔE 0.056
Use #7B9BBC 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.