#7A8599
Closest named color: Light Slate Gray (#778899). oklch(61.5% 0.033 262.5), rgb(122, 133, 153).
Aa
Black text reads best on this color (5.64:1).
About this color
#7A8599 is a medium-dark, muted blue. In OKLCH its lightness is 61%, its chroma 0.033 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Light Slate Gray (#778899), ΔE 0.009 away. Black text reads best on it, at 5.64:1.
| Hue family | Blues |
| Lightness | medium-dark (61%) |
| Chroma | muted (0.033) |
| Temperature | cool |
| Nearest name | Light Slate Gray (#778899) |
| Black text | 5.64:1 |
| White text | 3.72:1 |
Values
| HEX | #7A8599 |
| RGB | rgb(122, 133, 153) |
| HSL | hsl(219, 13%, 54%) |
| OKLCH | oklch(61.5% 0.033 262.5) |
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 #7A8599 | 3.72:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #7A8599 | 5.64:1 | AA | Lc 39.3 | Non-text elements, placeholder text |
| #7A8599 text on white | 3.72:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #7A8599 text on black | 5.64:1 | AA | Lc -36.9 | 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 500.
-
Step 50
50
#F5F5F7
oklch(97.1% 0.003 286.4)
-
Step 100
100
#E8EAED
oklch(93.6% 0.005 258.3)
-
Step 200
200
#D6D9DF
oklch(88.5% 0.009 264.5)
-
Step 300
300
#BBC1CB
oklch(80.9% 0.016 260.7)
-
Step 400
400
#98A1B1
oklch(70.7% 0.026 262.1)
-
Step 500
500 (this color)
#7A8599
oklch(61.5% 0.033 262.5)
-
Step 600
600
#687489
oklch(55.7% 0.036 261.6)
-
Step 700
700
#576174
oklch(49.1% 0.033 263.2)
-
Step 800
800
#474F5F
oklch(42.7% 0.029 264.2)
-
Step 900
900
#3B424D
oklch(37.7% 0.021 259.4)
-
Step 950
950
#23272D
oklch(27.1% 0.013 258.4)
#7A8599 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) | #7F869A | 0.008 |
| Deuteranopia (no green cones) | #7C8399 | 0.006 |
| Tritanopia (no blue cones) | #72898B | 0.030 |
| Achromatopsia (no color) | #848484 | 0.033 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7A8599
#7A8599
oklch(61.5% 0.033 262.5)
- #8E836E
#8E836E
oklch(61.4% 0.033 83.6)
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 #7A8599, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Slate Gray #778899 ΔE 0.009
- Steel #738595 ΔE 0.012
- Lavender Gray #7E7F9A ΔE 0.018
- Blue Grey #758DA3 ΔE 0.023
- Slate Gray #708090 ΔE 0.024
- Silver Lake Blue #778DA9 ΔE 0.028
- Steel Grey #6F828A ΔE 0.029
- Gray #808080 ΔE 0.036
Use #7A8599 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.