#45A5BF
Closest named color: Turquoise Blue (#06B1C4). oklch(67.5% 0.097 218.7), rgb(69, 165, 191).
Aa
Black text reads best on this color (7.38:1).
About this color
#45A5BF is a medium-light, moderately saturated teal or cyan. In OKLCH its lightness is 68%, its chroma 0.097 and its hue 219°. Its hue sits on the cool side of the wheel. The nearest named color is Turquoise Blue (#06B1C4), ΔE 0.036 away. Black text reads best on it, at 7.38:1.
| Hue family | Teals and cyans |
| Lightness | medium-light (68%) |
| Chroma | moderately saturated (0.097) |
| Temperature | cool |
| Nearest name | Turquoise Blue (#06B1C4) |
| Black text | 7.38:1 |
| White text | 2.84:1 |
Values
| HEX | #45A5BF |
| RGB | rgb(69, 165, 191) |
| HSL | hsl(193, 49%, 51%) |
| OKLCH | oklch(67.5% 0.097 218.7) |
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 #45A5BF | 2.84:1 | Fails | Lc -59.5 | Large or bold text, headings |
| Black text on #45A5BF | 7.38:1 | AAA | Lc 49.8 | Large or bold text, headings |
| #45A5BF text on white | 2.84:1 | Fails | Lc 54.2 | Large or bold text, headings |
| #45A5BF text on black | 7.38:1 | AAA | Lc -47.6 | 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
#F0F7F9
oklch(97.1% 0.008 216.6)
-
Step 100
100
#DEEDF2
oklch(93.6% 0.017 219.7)
-
Step 200
200
#C2DFE8
oklch(88.5% 0.033 218.4)
-
Step 300
300
#95CBDB
oklch(81% 0.06 218.1)
-
Step 400
400 (this color)
#45A5BF
oklch(67.5% 0.097 218.7)
-
Step 500
500
#0099B8
oklch(63.1% 0.114 219)
-
Step 600
600
#00819B
oklch(55.7% 0.1 218.5)
-
Step 700
700
#006C82
oklch(49.1% 0.088 218.4)
-
Step 800
800
#00596B
oklch(42.8% 0.077 217.7)
-
Step 900
900
#004A5A
oklch(37.8% 0.068 218.5)
-
Step 950
950
#002C36
oklch(27% 0.048 217.4)
#45A5BF 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) | #95A1C0 | 0.083 |
| Deuteranopia (no green cones) | #8394BF | 0.073 |
| Tritanopia (no blue cones) | #00AEAD | 0.049 |
| Achromatopsia (no color) | #999999 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #45A5BF
#45A5BF
oklch(67.5% 0.097 218.7)
- #CA826A
#CA826A
oklch(67.6% 0.096 39.2)
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 #45A5BF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Turquoise Blue #06B1C4 ΔE 0.036
- Greyblue #77A1B5 ΔE 0.045
- Cadet Blue #5F9EA0 ΔE 0.046
- Light Sea Green #20B2AA ΔE 0.059
- Bluegrey #85A3B2 ΔE 0.062
- Bluey Grey #89A0B0 ΔE 0.067
- Dull Teal #5F9E8F ΔE 0.068
- Sea #3C9992 ΔE 0.070
Use #45A5BF 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.