#7999BC
Closest named color: Greyblue (#77A1B5). oklch(67.2% 0.063 251), rgb(121, 153, 188).
Aa
Black text reads best on this color (7.09:1).
About this color
#7999BC is a medium-light, muted blue. In OKLCH its lightness is 67%, its chroma 0.063 and its hue 251°. Its hue sits on the cool side of the wheel. The nearest named color is Greyblue (#77A1B5), ΔE 0.028 away. Black text reads best on it, at 7.09:1.
| Hue family | Blues |
| Lightness | medium-light (67%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Greyblue (#77A1B5) |
| Black text | 7.09:1 |
| White text | 2.95:1 |
Values
| HEX | #7999BC |
| RGB | rgb(121, 153, 188) |
| HSL | hsl(211, 33%, 61%) |
| OKLCH | oklch(67.2% 0.063 251) |
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 #7999BC | 2.95:1 | Fails | Lc -61.4 | Content text, not long reading |
| Black text on #7999BC | 7.09:1 | AAA | Lc 47.9 | Large or bold text, headings |
| #7999BC text on white | 2.95:1 | Fails | Lc 56.1 | Large or bold text, headings |
| #7999BC text on black | 7.09:1 | AAA | Lc -45.7 | 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
#F3F6F9
oklch(97.2% 0.005 247.9)
-
Step 100
100
#E4EBF1
oklch(93.6% 0.011 243.7)
-
Step 200
200
#CFDBE8
oklch(88.6% 0.022 250.2)
-
Step 300
300
#AEC3DA
oklch(80.9% 0.04 250.7)
-
Step 400
400 (this color)
#7999BC
oklch(67.2% 0.063 251)
-
Step 500
500
#648DB9
oklch(63.1% 0.081 250.9)
-
Step 600
600
#4B77A5
oklch(55.7% 0.087 250.6)
-
Step 700
700
#3C638E
oklch(49% 0.082 252)
-
Step 800
800
#325173
oklch(42.7% 0.068 251.8)
-
Step 900
900
#2C435D
oklch(37.6% 0.053 252.2)
-
Step 950
950
#1A2836
oklch(27.1% 0.032 249.1)
#7999BC 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) | #8C9ABE | 0.025 |
| Deuteranopia (no green cones) | #8493BB | 0.020 |
| Tritanopia (no blue cones) | #63A1A5 | 0.054 |
| Achromatopsia (no color) | #969696 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7999BC
#7999BC
oklch(67.2% 0.063 251)
- #AF906B
#AF906B
oklch(67.3% 0.063 71.4)
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 #7999BC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Greyblue #77A1B5 ΔE 0.028
- Cool Gray #8D99AE ΔE 0.032
- Bluey Grey #89A0B0 ΔE 0.037
- Silver Lake Blue #778DA9 ΔE 0.038
- Bluegrey #85A3B2 ΔE 0.040
- Blue Grey #758DA3 ΔE 0.044
- Faded Blue #658CBB ΔE 0.046
- Cadet Blue #5F9EA0 ΔE 0.059
Use #7999BC 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.